[libc-commits] [libc] [libc] Expand usage of libc null checks. (PR #116262)

[via libc-commits]

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@@ -26,3 +26,12 @@ TEST(LlvmLibcMempcpyTest, ZeroCount) {
   void *result = LIBC_NAMESPACE::mempcpy(dest, src, 0);
   ASSERT_EQ(static_cast<char *>(result), dest + 0);
 }
+
+#if defined(LIBC_TARGET_OS_IS_LINUX)
+
+TEST(LlvmLibcMempcpyTest, CrashOnNullPtr) {
+  ASSERT_DEATH([]() { LIBC_NAMESPACE::mempcpy(nullptr, nullptr, 0); },
+               WITH_SIGNAL(SIGSEGV));
+}
+
+#endif // defined(LIBC_TARGET_OS_IS_LINUX)
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lntue wrote:

nit: missing extra line at the end.

https://github.com/llvm/llvm-project/pull/116262